Mathematical expression display control apparatus, mathematical expression display control method, and computer readable medium recording mathematical expression display control program
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A mathematical expression display control apparatus includes a mathematical expression input unit, a mathematical expression display control unit, a cursor display control unit, an inverse number function input unit, an inverse number target detection unit and an inverse number display control unit. The mathematical expression input unit recognizes a mathematical expression. The mathematical expression display control unit displays the recognized mathematical expression on a display unit. The cursor display control unit moves and displays a cursor in the displayed mathematical expression. The inverse number function input unit recognizes an inverse number function. The inverse number target detection unit detects a chunk region of the mathematical expression as a target of the inverse number function. The inverse number display control unit replaces the detected chunk region with a fraction having the detected chunk region as a denominator and 1 as a numerator to display.

Yoshizawa, Hiroaki c/o Casio Computer Co. (Ltd., Hamura R&D Center,2-1, Sakae-cho 3-chome, Hamura-shi, Tokyo 205-8555, JP)
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CASIO COMPUTER CO., LTD. (6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, JP)
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Grünecker, Patent- Und Rechtsanwälte Partg Mbb (Leopoldstraße 4, 80802 München, DE)